67778295 has 24 divisors (see below), whose sum is σ = 117433296. Its totient is φ = 33366528.

The previous prime is 67778267. The next prime is 67778297. The reversal of 67778295 is 59287776.

It is not a de Polignac number, because 67778295 - 2⁶ = 67778231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67778297) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10834 + ... + 15903.

It is an arithmetic number, because the mean of its divisors is an integer number (4893054).

Almost surely, 2^67778295 is an apocalyptic number.

67778295 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

67778295 is a deficient number, since it is larger than the sum of its proper divisors (49655001).

67778295 is a wasteful number, since it uses less digits than its factorization.

67778295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26771 (or 26758 counting only the distinct ones).

The product of its digits is 1481760, while the sum is 51.

The square root of 67778295 is about 8232.7574359992. The cubic root of 67778295 is about 407.7214373532.

The spelling of 67778295 in words is "sixty-seven million, seven hundred seventy-eight thousand, two hundred ninety-five".